Pith Number

pith:5OXJ3MAS

pith:2017:5OXJ3MASFNW36HHEESQDIN7QUS

not attested not anchored not stored refs pending

On spaces with $\sigma$-closed-discrete dense sets

Daniel T. Soukup, Rodrigo R. Dias

arxiv:1701.00356 v2 · 2017-01-02 · math.GN · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OXJ3MASFNW36HHEESQDIN7QUS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:43:01.257036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebae9db0122b6dbf1ce424a03437f0a49e6b6dde78a71ac6fdc2cf5672d43298

Aliases

arxiv: 1701.00356 · arxiv_version: 1701.00356v2 · doi: 10.48550/arxiv.1701.00356 · pith_short_12: 5OXJ3MASFNW3 · pith_short_16: 5OXJ3MASFNW36HHE · pith_short_8: 5OXJ3MAS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5OXJ3MASFNW36HHEESQDIN7QUS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ebae9db0122b6dbf1ce424a03437f0a49e6b6dde78a71ac6fdc2cf5672d43298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fa6a6b5ca090e6749e28bb624a5a711ef70b24da596b8fbe2e05bb402e4ea96",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2017-01-02T10:27:27Z",
    "title_canon_sha256": "bfab9c6c413028b365463fb4da09288ee06050bbe6b9e3bd0d8090ad025c9bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00356",
    "kind": "arxiv",
    "version": 2
  }
}